//
// Created by Administrator on 2021/5/21.
//

#include "iostream"

using namespace std;

int main(){
    //break的使用时机
    //1.出现在switch 语句中
    int select = 0;

    cin >> select;
    switch (select) {
        case 1:
            cout << "wait" << endl;
            break;
        case 2:
            cout << "wait" << endl;
            break;;
        case 3:
            cout << "wait" << endl;
        default:
            cout << "wait" << endl;
    }

    //2.出现在循环语句中
    for (int i = 0; i < 10; i++) {
        if (i == 5){
            break;
        }
        cout << i << endl;
    }

    //3.出现在嵌套循环语句中
    for (int i = 0; i < 10; ++i) {
        for (int j = 0; j < 10; ++j) {
            if (j == 5){
                break;
            }
            cout << "*";
        }
        cout << endl;
    }

    system("pause");

    return 0;
}